107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
/*
|
|
* This file is part of RawTherapee.
|
|
*
|
|
* Copyright (c) 2004-2017 Gabor Horvath <hgabor@rawtherapee.com>
|
|
*
|
|
* RawTherapee is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* RawTherapee is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <cstring>
|
|
#include <memory>
|
|
|
|
#include "labimage.h"
|
|
|
|
namespace rtengine
|
|
{
|
|
|
|
LabImage::LabImage (int w, int h) : W(w), H(h)
|
|
{
|
|
allocLab(w, h);
|
|
}
|
|
|
|
LabImage::~LabImage ()
|
|
{
|
|
deleteLab();
|
|
}
|
|
|
|
void LabImage::CopyFrom(LabImage *Img)
|
|
{
|
|
memcpy(data, Img->data, W * H * 3 * sizeof(float));
|
|
}
|
|
|
|
void LabImage::getPipetteData (float &v1, float &v2, float &v3, int posX, int posY, int squareSize)
|
|
{
|
|
float accumulator_L = 0.f;
|
|
float accumulator_a = 0.f;
|
|
float accumulator_b = 0.f;
|
|
unsigned long int n = 0;
|
|
int halfSquare = squareSize / 2;
|
|
|
|
for (int iy = posY - halfSquare; iy < posY - halfSquare + squareSize; ++iy) {
|
|
for (int ix = posX - halfSquare; ix < posX - halfSquare + squareSize; ++ix) {
|
|
if (ix >= 0 && iy >= 0 && ix < W && iy < H) {
|
|
accumulator_L += L[iy][ix];
|
|
accumulator_a += a[iy][ix];
|
|
accumulator_b += b[iy][ix];
|
|
++n;
|
|
}
|
|
}
|
|
}
|
|
|
|
v1 = n ? accumulator_L / float(n) : 0.f;
|
|
v2 = n ? accumulator_a / float(n) : 0.f;
|
|
v3 = n ? accumulator_b / float(n) : 0.f;
|
|
}
|
|
|
|
void LabImage::allocLab(size_t w, size_t h)
|
|
{
|
|
L = new float*[h];
|
|
a = new float*[h];
|
|
b = new float*[h];
|
|
|
|
data = new float [w * h * 3];
|
|
float * index = data;
|
|
|
|
for (size_t i = 0; i < h; i++) {
|
|
L[i] = index + i * w;
|
|
}
|
|
|
|
index += w * h;
|
|
|
|
for (size_t i = 0; i < h; i++) {
|
|
a[i] = index + i * w;
|
|
}
|
|
|
|
index += w * h;
|
|
|
|
for (size_t i = 0; i < h; i++) {
|
|
b[i] = index + i * w;
|
|
}
|
|
}
|
|
|
|
void LabImage::deleteLab()
|
|
{
|
|
delete [] L;
|
|
delete [] a;
|
|
delete [] b;
|
|
delete [] data;
|
|
}
|
|
|
|
void LabImage::reallocLab()
|
|
{
|
|
allocLab(W, H);
|
|
}
|
|
|
|
}
|